In Pictures: The 10 mightiest supercomputers on Earth

The second Chinese entry in the top 10, the Tianhe-1a’s 2.57 petaflops of computing power are used for advanced calculation in aircraft design and oil exploitation. While the 186,368-core machine is more efficient than the Jaguar, it’s still among the more power-hungry computers in the top 10, at 635 megaflops per watt.

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